include/lattice.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Porting to U-Boot:
   4  *
   5  * (C) Copyright 2010
   6  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
   7  *
   8  * Lattice's ispVME Embedded Tool to load Lattice's FPGA:
   9  *
  10  * Lattice Semiconductor Corp. Copyright 2009
  11  */
  12
  13 #ifndef _VME_OPCODE_H
  14 #define _VME_OPCODE_H
  15
  16 #define VME_VERSION_NUMBER "12.1"
  17
  18 /* Maximum declarations. */
  19
  20 #define VMEHEXMAX       60000L  /* The hex file is split 60K per file. */
  21 #define SCANMAX         64000L  /* The maximum SDR/SIR burst. */
  22
  23 /*
  24  *
  25  * Supported JTAG state transitions.
  26  *
  27  */
  28
  29 #define RESET           0x00
  30 #define IDLE            0x01
  31 #define IRPAUSE         0x02
  32 #define DRPAUSE         0x03
  33 #define SHIFTIR         0x04
  34 #define SHIFTDR         0x05
  35 /* 11/15/05 Nguyen changed to support DRCAPTURE*/
  36 #define DRCAPTURE       0x06
  37
  38 /*
  39  * Flow control register bit definitions.  A set bit indicates
  40  * that the register currently exhibits the corresponding mode.
  41  */
  42
  43 #define INTEL_PRGM      0x0001  /* Intelligent programming is in effect. */
  44 #define CASCADE         0x0002  /* Currently splitting large SDR. */
  45 #define REPEATLOOP      0x0008  /* Currently executing a repeat loop. */
  46 #define SHIFTRIGHT      0x0080  /* The next data stream needs a right shift. */
  47 #define SHIFTLEFT       0x0100  /* The next data stream needs a left shift. */
  48 #define VERIFYUES       0x0200  /* Continue if fail is in effect. */
  49
  50 /*
  51  * DataType register bit definitions.  A set bit indicates
  52  * that the register currently holds the corresponding type of data.
  53  */
  54
  55 #define EXPRESS         0x0001    /* Simultaneous program and verify. */
  56 #define SIR_DATA        0x0002    /* SIR is the active SVF command. */
  57 #define SDR_DATA        0x0004    /* SDR is the active SVF command. */
  58 #define COMPRESS        0x0008    /* Data is compressed. */
  59 #define TDI_DATA        0x0010    /* TDI data is present. */
  60 #define TDO_DATA        0x0020    /* TDO data is present. */
  61 #define MASK_DATA       0x0040    /* MASK data is present. */
  62 #define HEAP_IN         0x0080    /* Data is from the heap. */
  63 #define LHEAP_IN        0x0200    /* Data is from intel data buffer. */
  64 #define VARIABLE        0x0400    /* Data is from a declared variable. */
  65 #define CRC_DATA        0x0800   /* CRC data is pressent. */
  66 #define CMASK_DATA      0x1000    /* CMASK data is pressent. */
  67 #define RMASK_DATA      0x2000   /* RMASK data is pressent. */
  68 #define READ_DATA       0x4000    /* READ data is pressent. */
  69 #define DMASK_DATA      0x8000   /* DMASK data is pressent. */
  70
  71 /*
  72  *
  73  * Pin opcodes.
  74  *
  75  */
  76
  77 #define signalENABLE    0x1C    /* ispENABLE pin. */
  78 #define signalTMS       0x1D    /* TMS pin. */
  79 #define signalTCK       0x1E    /* TCK pin. */
  80 #define signalTDI       0x1F    /* TDI pin. */
  81 #define signalTRST      0x20    /* TRST pin. */
  82
  83 /*
  84  *
  85  * Supported vendors.
  86  *
  87  */
  88
  89 #define VENDOR          0x56
  90 #define LATTICE         0x01
  91 #define ALTERA          0x02
  92 #define XILINX          0x03
  93
  94 /*
  95  * Opcode definitions.
  96  *
  97  * Note: opcodes must be unique.
  98  */
  99
 100 #define ENDDATA         0x00    /* The end of the current SDR data stream. */
 101 #define RUNTEST         0x01    /* The duration to stay at the stable state. */
 102 #define ENDDR           0x02    /* The stable state after SDR. */
 103 #define ENDIR           0x03    /* The stable state after SIR. */
 104 #define ENDSTATE        0x04    /* The stable state after RUNTEST. */
 105 #define TRST            0x05    /* Assert the TRST pin. */
 106 #define HIR             0x06    /*
 107                                  * The sum of the IR bits of the
 108                                  * leading devices.
 109                                  */
 110 #define TIR             0x07    /*
 111                                  * The sum of the IR bits of the trailing
 112                                  * devices.
 113                                  */
 114 #define HDR             0x08    /* The number of leading devices. */
 115 #define TDR             0x09    /* The number of trailing devices. */
 116 #define ispEN           0x0A    /* Assert the ispEN pin. */
 117 #define FREQUENCY       0x0B    /*
 118                                  * The maximum clock rate to run the JTAG state
 119                                  * machine.
 120                                  */
 121 #define STATE           0x10    /* Move to the next stable state. */
 122 #define SIR             0x11    /* The instruction stream follows. */
 123 #define SDR             0x12    /* The data stream follows. */
 124 #define TDI             0x13    /* The following data stream feeds into
 125                                         the device. */
 126 #define TDO             0x14    /*
 127                                  * The following data stream is compared against
 128                                  * the device.
 129                                  */
 130 #define MASK            0x15    /* The following data stream is used as mask. */
 131 #define XSDR            0x16    /*
 132                                  * The following data stream is for simultaneous
 133                                  * program and verify.
 134                                  */
 135 #define XTDI            0x17    /* The following data stream is for shift in
 136                                  * only. It must be stored for the next
 137                                  * XSDR.
 138                                  */
 139 #define XTDO            0x18    /*
 140                                  * There is not data stream.  The data stream
 141                                  * was stored from the previous XTDI.
 142                                  */
 143 #define MEM             0x19    /*
 144                                  * The maximum memory needed to allocate in
 145                                  * order hold one row of data.
 146                                  */
 147 #define WAIT            0x1A    /* The duration of delay to observe. */
 148 #define TCK             0x1B    /* The number of TCK pulses. */
 149 #define SHR             0x23    /*
 150                                  * Set the flow control register for
 151                                  * right shift
 152                                  */
 153 #define SHL             0x24    /*
 154                                  * Set the flow control register for left shift.
 155                                  */
 156 #define HEAP            0x32    /* The memory size needed to hold one loop. */
 157 #define REPEAT          0x33    /* The beginning of the loop. */
 158 #define LEFTPAREN       0x35    /* The beginning of data following the loop. */
 159 #define VAR             0x55    /* Plac holder for loop data. */
 160 #define SEC             0x1C    /*
 161                                  * The delay time in seconds that must be
 162                                  * observed.
 163                                  */
 164 #define SMASK           0x1D    /* The mask for TDI data. */
 165 #define MAX_WAIT        0x1E    /* The absolute maximum wait time. */
 166 #define ON              0x1F    /* Assert the targeted pin. */
 167 #define OFF             0x20    /* Dis-assert the targeted pin. */
 168 #define SETFLOW         0x30    /* Change the flow control register. */
 169 #define RESETFLOW       0x31    /* Clear the flow control register. */
 170
 171 #define CRC             0x47    /*
 172                                  * The following data stream is used for CRC
 173                                  * calculation.
 174                                  */
 175 #define CMASK           0x48    /*
 176                                  * The following data stream is used as mask
 177                                  * for CRC calculation.
 178                                  */
 179 #define RMASK           0x49    /*
 180                                  * The following data stream is used as mask
 181                                  * for read and save.
 182                                  */
 183 #define READ            0x50    /*
 184                                  * The following data stream is used for read
 185                                  * and save.
 186                                  */
 187 #define ENDLOOP         0x59    /* The end of the repeat loop. */
 188 #define SECUREHEAP      0x60    /* Used to secure the HEAP opcode. */
 189 #define VUES            0x61    /* Support continue if fail. */
 190 #define DMASK           0x62    /*
 191                                  * The following data stream is used for dynamic
 192                                  * I/O.
 193                                  */
 194 #define COMMENT         0x63    /* Support SVF comments in the VME file. */
 195 #define HEADER          0x64    /* Support header in VME file. */
 196 #define FILE_CRC        0x65    /* Support crc-protected VME file. */
 197 #define LCOUNT          0x66    /* Support intelligent programming. */
 198 #define LDELAY          0x67    /* Support intelligent programming. */
 199 #define LSDR            0x68    /* Support intelligent programming. */
 200 #define LHEAP           0x69    /*
 201                                  * Memory needed to hold intelligent data
 202                                  * buffer
 203                                  */
 204 #define CONTINUE        0x70    /* Allow continuation. */
 205 #define LVDS            0x71    /* Support LVDS. */
 206 #define ENDVME          0x7F    /* End of the VME file. */
 207 #define ENDFILE         0xFF    /* End of file. */
 208
 209 /*
 210  *
 211  * ispVM Embedded Return Codes.
 212  *
 213  */
 214
 215 #define VME_VERIFICATION_FAILURE        -1
 216 #define VME_FILE_READ_FAILURE           -2
 217 #define VME_VERSION_FAILURE             -3
 218 #define VME_INVALID_FILE                -4
 219 #define VME_ARGUMENT_FAILURE            -5
 220 #define VME_CRC_FAILURE                 -6
 221
 222 #define g_ucPinTDI      0x01
 223 #define g_ucPinTCK      0x02
 224 #define g_ucPinTMS      0x04
 225 #define g_ucPinENABLE   0x08
 226 #define g_ucPinTRST     0x10
 227
 228 /*
 229  *
 230  * Type definitions.
 231  *
 232  */
 233
 234 /* Support LVDS */
 235 typedef struct {
 236         unsigned short usPositiveIndex;
 237         unsigned short usNegativeIndex;
 238         unsigned char  ucUpdate;
 239 } LVDSPair;
 240
 241 typedef enum {
 242         min_lattice_iface_type,         /* insert all new types after this */
 243         lattice_jtag_mode,              /* jtag/tap  */
 244         max_lattice_iface_type          /* insert all new types before this */
 245 } Lattice_iface;
 246
 247 typedef enum {
 248         min_lattice_type,
 249         Lattice_XP2,                    /* Lattice XP2 Family */
 250         max_lattice_type                /* insert all new types before this */
 251 } Lattice_Family;
 252
 253 typedef struct {
 254         Lattice_Family  family; /* part type */
 255         Lattice_iface   iface;  /* interface type */
 256         size_t          size;   /* bytes of data part can accept */
 257         void            *iface_fns; /* interface function table */
 258         void            *base;  /* base interface address */
 259         int             cookie; /* implementation specific cookie */
 260         char            *desc;  /* description string */
 261 } Lattice_desc;                 /* end, typedef Altera_desc */
 262
 263 /* Board specific implementation specific function types */
 264 typedef void (*Lattice_jtag_init)(void);
 265 typedef void (*Lattice_jtag_set_tdi)(int v);
 266 typedef void (*Lattice_jtag_set_tms)(int v);
 267 typedef void (*Lattice_jtag_set_tck)(int v);
 268 typedef int (*Lattice_jtag_get_tdo)(void);
 269
 270 typedef struct {
 271         Lattice_jtag_init       jtag_init;
 272         Lattice_jtag_set_tdi    jtag_set_tdi;
 273         Lattice_jtag_set_tms    jtag_set_tms;
 274         Lattice_jtag_set_tck    jtag_set_tck;
 275         Lattice_jtag_get_tdo    jtag_get_tdo;
 276 } lattice_board_specific_func;
 277
 278 void writePort(unsigned char pins, unsigned char value);
 279 unsigned char readPort(void);
 280 void sclock(void);
 281 void ispVMDelay(unsigned short int a_usMicroSecondDelay);
 282 void calibration(void);
 283
 284 int lattice_load(Lattice_desc *desc, const void *buf, size_t bsize);
 285 int lattice_dump(Lattice_desc *desc, const void *buf, size_t bsize);
 286 int lattice_info(Lattice_desc *desc);
 287
 288 void ispVMStart(void);
 289 void ispVMEnd(void);
 290 extern void ispVMFreeMem(void);
 291 signed char ispVMCode(void);
 292 void ispVMDelay(unsigned short int a_usMicroSecondDelay);
 293 void ispVMCalculateCRC32(unsigned char a_ucData);
 294 unsigned char GetByte(void);
 295 void writePort(unsigned char pins, unsigned char value);
 296 unsigned char readPort(void);
 297 void sclock(void);
 298 #endif